Multiplayer works over LAN

Lockdown/Assets/Scripts.meta

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+licenseType: Free
+DefaultImporter:
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Lockdown/Assets/Scripts/Bullet.cs

+using UnityEngine;
+using System.Collections;
+
+public class Bullet : MonoBehaviour 
+{
+    void OnCollisionEnter(Collision collision)
+    {
+        GameObject hit = collision.gameObject;
+        Movement hitPlayer = hit.GetComponent<Movement>();
+
+        if (hitPlayer != null)
+        {
+            Combat combat = hit.GetComponent<Combat>();
+            combat.TakeDamage(10);
+
+            Destroy(gameObject);
+        }
+    }
+}
\ No newline at end of file

Lockdown/Assets/Scripts/Bullet.cs.meta

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+timeCreated: 1456232851
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Lockdown/Assets/Scripts/Combat.cs

+using UnityEngine;
+using UnityEngine.Networking;
+using System.Collections;
+
+public class Combat : NetworkBehaviour  
+{
+    public const int maxHealth = 100;
+
+    [SyncVar]
+    public int health = maxHealth;
+
+    public void TakeDamage(int amount)
+    {
+        if (!isServer)
+            return;
+
+        health -= amount;
+        if (health <= 0)
+        {
+            health = maxHealth;
+
+            RpcRespawn();
+        }
+    }
+
+    [ClientRpc]
+    void RpcRespawn()
+    {
+        if (isLocalPlayer)
+            transform.position = Vector3.zero;
+    }
+}
\ No newline at end of file

Lockdown/Assets/Scripts/Combat.cs.meta

+fileFormatVersion: 2
+guid: f8160550fa52b374aa2ad4854b115268
+timeCreated: 1456231967
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Lockdown/Assets/Scripts/CustomNetworkManager.cs

+using UnityEngine;
+using UnityEngine.Networking;
+using UnityEngine.Networking.Types;
+using UnityEngine.UI;
+
+public class CustomNetworkManager : NetworkManager
+{
+    private const int port = 7777;
+
+    public void StartUpHost()
+    {
+        if (!NetworkClient.active && !NetworkServer.active)
+        {
+            NetworkManager.singleton.networkPort = port;
+            NetworkManager.singleton.StartHost();
+
+            Debug.Log("Started Host");
+        }
+        else
+            Debug.Log("Failed to host!");
+    }
+
+    public void JoinGame()
+    {
+        if (!NetworkClient.active && !NetworkServer.active)
+        {
+            NetworkManager.singleton.networkAddress = GameObject.Find("IPAdressTextBox").transform.FindChild("Text").GetComponent<Text>().text;
+            NetworkManager.singleton.networkPort = port;
+            NetworkManager.singleton.StartClient();
+
+            Debug.Log("Joined: " + NetworkManager.singleton.networkAddress);
+        }
+        else
+            Debug.Log("Failed to join!");
+    }
+
+    public void OnLevelWasLoaded(int level)
+    {
+        if (level == 0)
+        {
+            GameObject.Find("StartHostButton").GetComponent<Button>().onClick.RemoveAllListeners();
+            GameObject.Find("StartHostButton").GetComponent<Button>().onClick.AddListener(StartUpHost);
+
+            GameObject.Find("JoinGameButton").GetComponent<Button>().onClick.RemoveAllListeners();
+            GameObject.Find("JoinGameButton").GetComponent<Button>().onClick.AddListener(JoinGame);
+        }
+        else
+        {
+            GameObject.Find("DisconnectButton").GetComponent<Button>().onClick.RemoveAllListeners();
+            GameObject.Find("DisconnectButton").GetComponent<Button>().onClick.AddListener(NetworkManager.singleton.StopHost);
+        }
+
+        Debug.Log("Level was loaded");
+    }
+}
\ No newline at end of file

Lockdown/Assets/Scripts/CustomNetworkManager.cs.meta

+fileFormatVersion: 2
+guid: 87e80f1453feecc4394d603d9e932c89
+timeCreated: 1456251564
+licenseType: Free
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+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Lockdown/Assets/Scripts/Movement.cs

+using UnityEngine;
+using UnityEngine.Networking;
+using System.Collections;
+
+public class Movement : NetworkBehaviour 
+{
+    public GameObject bulletPrefab;
+
+    public override void OnStartLocalPlayer()
+    {
+        GetComponent<MeshRenderer>().material.color = Color.red;
+
+        GetComponentInChildren<Camera>().enabled = true;
+        GetComponentInChildren<AudioListener>().enabled = true;
+    }
+
+    void Update()
+    {
+        if (!isLocalPlayer)
+            return;
+
+        transform.Translate(Input.GetAxis("Horizontal") * 0.1f, 0, Input.GetAxis("Vertical") * 0.1f);
+
+        if (Input.GetKeyDown(KeyCode.Space))
+            CmdFire();
+    }
+
+    [Command]
+    void CmdFire()
+    {
+        GameObject bullet = (GameObject)Instantiate(bulletPrefab, transform.position - transform.forward, Quaternion.identity);
+
+        bullet.GetComponent<Rigidbody>().velocity = -transform.forward * 4;
+
+        NetworkServer.Spawn(bullet);
+
+        Destroy(bullet, 2); 
+    }
+}
\ No newline at end of file

Lockdown/Assets/Scripts/Movement.cs.meta

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+guid: b01571fcb630c244cbeca23afc38fd8c
+timeCreated: 1456162719
+licenseType: Free
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Lockdown/Lockdown.sln

+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2008
+
+Project("{D0DFE28D-CE6E-A1E8-CCF5-4FA2C651915B}") = "Lockdown", "Assembly-CSharp.csproj", "{EAA0984B-0E55-F932-5E40-C67F6A87C5F6}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{EAA0984B-0E55-F932-5E40-C67F6A87C5F6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EAA0984B-0E55-F932-5E40-C67F6A87C5F6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EAA0984B-0E55-F932-5E40-C67F6A87C5F6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EAA0984B-0E55-F932-5E40-C67F6A87C5F6}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(MonoDevelopProperties) = preSolution
+		StartupItem = Assembly-CSharp.csproj
+	EndGlobalSection
+EndGlobal